When Aethersnipe enters the battlefield, return target nonland permanent to its owner's hand.

Evoke {1}{U}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

({T}: Add {R} or {W}.)

Alpine Meadow enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity.

({T}: Add {G} or {W}.)

Arctic Treeline enters the battlefield tapped.

Azorius Guildgate enters the battlefield tapped.

{T}: Add {W} or {U}.

{1}, Sacrifice another creature: Blazing Hellhound deals 1 damage to any target.

Flying

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

When Bloodwater Entity enters the battlefield, you may put target instant or sorcery card from your graveyard on top of your library.

Boros Guildgate enters the battlefield tapped.

{T}: Add {R} or {W}.

Elemental spells and Warrior spells you cast cost {1} less to cast.

Reinforce 1--{1}{R} ({1}{R}, Discard this card: Put a +1/+1 counter on target creature.)

{T}: Add {R}. Spend this mana only to cast an Elemental spell or a Chandra planeswalker spell.

+1: Elementals you control get +2/+0 until end of turn.

-1: Add {R}{R}.

-2: Chandra, Novice Pyromancer deals 2 damage to any target.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.

Flying

When Cloudkin Seer enters the battlefield, draw a card.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Search your library for a white card, a blue card, a black card, a red card, and a green card. Reveal those cards, put them into your hand, then shuffle.

Other Elementals you control get +1/+0.

{2}{R}{G}: Creeping Trailblazer gets +1/+1 until end of turn for each Elemental you control.

Changeling (This card is every creature type.)

Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

As an additional cost to cast this spell, sacrifice a land.

Search your library for a land card, put that card onto the battlefield, then shuffle.

Choose one or both --

• Exile target artifact.

• Exile target enchantment.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Exile target permanent with mana value 4 or greater.

Dimir Guildgate enters the battlefield tapped.

{T}: Add {U} or {B}.

Choose a creature type. Draw a card for each permanent you control of that type.

{1}{G}, {T}, Sacrifice Embodiment of Spring: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

As Etchings of the Chosen enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

{1}, Sacrifice a creature of the chosen type: Target creature you control gains indestructible until end of turn.

{G}, Sacrifice a creature: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

{T}: Add one mana of any color that a land an opponent controls could produce.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Fertilid enters the battlefield with two +1/+1 counters on it.

{1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Whenever a player casts a spell, you may put a +1/+1 counter on Forgotten Ancient.

At the beginning of your upkeep, you may move any number of +1/+1 counters from Forgotten Ancient onto other creatures.

When Foundation Breaker enters the battlefield, you may destroy target artifact or enchantment.

Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Frontier Bivouac enters the battlefield tapped.

{T}: Add {G}, {U}, or {R}.

({T}: Add {W} or {U}.)

Glacial Floodplain enters the battlefield tapped.

Golgari Guildgate enters the battlefield tapped.

{T}: Add {B} or {G}.

Gruul Guildgate enters the battlefield tapped.

{T}: Add {R} or {G}.

Equipped creature gets +3/+1.

Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order.

Equip {1}

({T}: Add {R} or {G}.)

Highland Forest enters the battlefield tapped.

Vigilance, trample, haste

{W}{U}{B}{R}{G}: You may play target Elemental card from your graveyard without paying its mana cost.

({T}: Add {U} or {B}.)

Ice Tunnel enters the battlefield tapped.

As Icon of Ancestry enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

{3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Other Elemental creatures you control get +1/+1.

{1}{R}, {T}: You may put an Elemental creature card from your hand onto the battlefield. That creature gains haste until end of turn. Sacrifice it at the beginning of the next end step.

When Ingot Chewer enters the battlefield, destroy target artifact.

Evoke {R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

({T}: Add {U}.)

Izzet Guildgate enters the battlefield tapped.

{T}: Add {U} or {R}.

Companion -- No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

{T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs.

{T}: Add {G} for each creature with power 4 or greater you control.

{7}{R}: Leafkin Avenger deals damage equal to its power to target player or planeswalker.

{T}: Add {G}. If you control four or more creatures, add {G}{G} instead.

The first spell you cast each turn has cascade. (When you cast your first spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Choose one --

• Exile all artifacts.

• Exile all creatures.

• Exile all enchantments.

• Exile all planeswalkers.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Flying

When Mulldrifter enters the battlefield, draw two cards.

Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Destroy target nonland permanent if it's a creature or if {G}{W} was spent to cast this spell.

Deathtouch

When Night Incarnate leaves the battlefield, all creatures get -3/-3 until end of turn.

Evoke {3}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Landfall -- Whenever a land enters the battlefield under your control, create a 5/5 red and green Elemental creature token.

Whenever Omnath, Locus of Rage or another Elemental you control dies, Omnath deals 3 damage to any target.

When Overgrowth Elemental enters the battlefield, put a +1/+1 counter on another target Elemental you control.

Whenever another creature you control dies, you gain 1 life. If that creature was an Elemental, put a +1/+1 counter on Overgrowth Elemental.

Mutate {G}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

{1}, {T}: Look at the top card of your library. If it's a land card, you may put it onto the battlefield. If you don't put the card onto the battlefield, put it into your hand.

Path of Ancestry enters tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

When Phylath, World Sculptor enters the battlefield, create a 0/1 green Plant creature token for each basic land you control.

Landfall -- Whenever a land enters the battlefield under your control, put four +1/+1 counters on target Plant you control.

({T}: Add {W}.)

When Plaza of Harmony enters the battlefield, if you control two or more Gates, you gain 3 life.

{T}: Add {C}.

{T}: Add one mana of any type that a Gate you control could produce.

{2}, {T}, Sacrifice a creature: Search your library for a creature card that shares a creature type with the sacrificed creature and has mana value equal to 1 plus that creature's mana value. Put that card onto the battlefield, then shuffle. Activate only as a sorcery.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

As Radiant Destiny enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1. As long as you have the city's blessing, they also have vigilance.

Rakdos Guildgate enters the battlefield tapped.

{T}: Add {B} or {R}.

Flying

When Reveillark leaves the battlefield, return up to two target creature cards with power 2 or less from your graveyard to the battlefield.

Evoke {5}{W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

({T}: Add {G} or {U}.)

Rimewood Falls enters the battlefield tapped.

Whenever Risen Reef or another Elemental enters the battlefield under your control, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

As Secluded Courtyard enters, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

Selesnya Guildgate enters the battlefield tapped.

{T}: Add {G} or {W}.

Search your library for a Plains card, an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.

Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Simic Guildgate enters the battlefield tapped.

{T}: Add {G} or {U}.

Devour 1 (As this enters, you may sacrifice any number of creatures. This creature enters with that many +1/+1 counters on it.)

When Skullmulcher enters, draw a card for each creature it devoured.

When Slithermuse leaves the battlefield, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.

Evoke {3}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

{T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals.

({T}: Add {W} or {B}.)

Snowfield Sinkhole enters the battlefield tapped.

When Spitebellows leaves the battlefield, it deals 6 damage to target creature.

Evoke {1}{R}{R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

({T}: Add {B} or {R}.)

Sulfurous Mire enters the battlefield tapped.

({T}: Add {B}.)

Search your library for a land card, reveal it, put it into your hand, then shuffle.

{T}: Add {G}.

Tangled Vale enters the battlefield tapped.

{T}: Add {G}.

The World Tree enters the battlefield tapped.

{T}: Add {G}.

As long as you control six or more lands, lands you control have "{T}: Add one mana of any color."

{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice The World Tree: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Other Elementals you control have trample.

Haste

Whenever Thunderkin Awakener attacks, choose target Elemental creature card in your graveyard with toughness less than Thunderkin Awakener's toughness. Return that card to the battlefield tapped and attacking. Sacrifice it at the beginning of the next end step.

Flying

Whenever Torrent Elemental attacks, tap all creatures defending player controls.

{3}{B/G}{B/G}: Put Torrent Elemental from exile onto the battlefield tapped. Activate only as a sorcery.

As Unclaimed Territory enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Exile all nonland permanents that aren't legendary.

({T}: Add {U} or {R}.)

Volatile Fjord enters the battlefield tapped.

Flying

When Wavesifter enters the battlefield, investigate twice. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Evoke {G}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flying

When Wispmare enters the battlefield, destroy target enchantment.

Evoke {W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

({T}: Add {B} or {G}.)

Woodland Chasm enters the battlefield tapped.

When Yasharn enters the battlefield, search your library for a basic Forest card and a basic Plains card, reveal those cards, put them into your hand, then shuffle.

Players can't pay life or sacrifice nonland permanents to cast spells or activate abilities.